answered question 2/27/2010 A Thing Comes Once A Year, Twice A Month, Four Times In A Week, Six Times In A Day, What Is It? "ODD NUMBERS'' There are 6 odd hours in a day-1,3,5,7,9,11. There are 4 odd days in a week-1,3,5,7. There are 2 odd weeks in a month-1,3. AND THESE ALL APPEARS ONCE A YEAR.